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RE: Europa-List: Tight control stick

Subject: RE: Europa-List: Tight control stick
From: Robert C Harrison <ptag.dev@tiscali.co.uk>
Date: Fri, 14 Nov 2008 22:09:08

Hi! Dan
Way back I had such a tightness in my control sticks when the control
assembly's were connected up but I found it before the cockpit Module
was installed. However I also had made provision for aerosol can
lubrication "later in life" with holes drilled into the tuffnol bearings
to receive the aerosol tube, in fact the rearmost bearings have
permanent lubrication tubes through the bases of the seat backs.  So I
injected " BRASSO" or copper polish solution and sat for about two hours
oscillating the control sticks back and forth. I then flushed out the
Brasso solution with harmless solvent/spirit until it ran clean, then
injected some light oil........problem solved. In my case it was useful
with the cockpit module in the "diving mode" since it allowed the
solvent to wash through any black abrasive polishings.
This at the time caused lots of amusement but it turned out  to be an
effective fix. In fact someone developed a mechanical or electric
motor/drill crank to drive the assembly......Have fun!
Regards
Bob Harrison G-PTAG Europa Trike Kit 337.

-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of danbish
Sent: 14 November 2008 20:07
Subject: Europa-List: Tight control stick


Hi all,

We discussed it here before, but I have one of those kits that has a lot
of tightness in the control stick when moving it left and right. I've
heard various ideas to fix it and only saw some slight improvement with
putting a lubricant at the base of the stick.

I was having the plane inspected by the EAA inspector last week and he
thought we should try to get to the bottom of it. We loosened the
assembly at the base of the stick but it didn't help much. 

Then we loosened the two bolts at the aft end of the control, back where
the CS06 bush and CS08 crank bolt to the CS06 bearing. We saw immediate
improvement even though we only loosened it a bit.

Obviously there's something binding here and I assume it is the way that
the flox pad cured... something wasn't lined up right. 

So, for those of you that have had this problem before, what's the best
way to go about fixing it. Keep in mind that my cockpit module is
already installed since I bought the kit that way. I can barely get to
the bolts much less make any drastic changes to the flox pad. Maybe
insert some shims?  I'm just wondering if someone has already figured
this one out and could save me some head scratching.

Thanks in advance,

Dan


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